First need to join up the real property data (Open Baltimore) the sales data (provided by Steve, and with deed dates from January 1, 2010 through October 2018) so we have a neighborhood for as many sales as we can.
3 Most Expensive in Each Neighborhood
---
title: "Recent Sales Outliers"
author: "Justin Elszasz, Mayor's Office of Innovation"
email: "justin.elszasz@baltimorecity.gov"
date: "Thursday, February 28, 2019"
output:
  html_notebook:
    code_folding: hide
    fig_height: 5
    fig_width: 10
    toc: yes
    toc_depth: 2
---

```{r setup, include = FALSE, echo = FALSE, message = FALSE, cache = TRUE}
knitr::opts_chunk$set(echo = FALSE, warning = F, message = F, include = T,
                      fig.width = 10, fig.height = 5, 
                      out.width = "100%", out.height = "100%")
options(scipen = 999)
```


```{r}
source("../src/00_initialize.R")


library(readxl)
library(RSocrata)
library(sp)
library(leaflet)
library(RODBC)
library(htmltools)


#sales <- load_sales_data(load.cache = T)
#real.prop.url <- "https://data.baltimorecity.gov/resource/6act-qzuy.json"
#real.prop <- read.socrata(real.prop.url, app_token = VARS$SOCRATA_TOKEN)
real.prop <- readRDS("../data/processed/real_prop.Rds")
#hoods <- get_neighborhood_boundaries()
hoods <- readRDS("../data/processed/hoods.Rds")
hmt <- load_block_group_data(load.cache = T)
hmt.hood <- read_excel("../data/raw/hmt/HMT by Neighborhood 2017.xlsx")

sales <- read_csv("../data/raw/sales/Sales from 2015.csv")
```

```{r}
# join HMT hood labels to hood boundaries

hoods@data <- hoods@data %>% left_join(hmt.hood, by = c("label" = "Neighborhood"))
```

First need to join up the real property data ([Open Baltimore]([http://data.baltimorecity.gov/Financial/Real-Property-Taxes/27w9-urtvto)) the sales data (provided by Steve, and with **deed dates from January 1, 2010 through October 2018**) so we have a neighborhood for as many sales as we can.

```{r}

sales <- sales %>% 
  separate(BlockLot, 
           sep = "(?<=[[:space:]]|[A-Z]\\B)", 
           into = c("sales.block", "sales.lot"),
           remove = F)


real.prop <- real.prop %>% rename(real.block = block, real.lot = lot)
```

```{r}
real.prop <- real.prop %>%
  mutate(real.block.clean = str_trim(gsub("^0+", "", real.block)),
         real.lot.clean = str_trim(gsub("^0+", "", real.lot)))

sales <- sales %>%
  mutate(sales.block.clean = str_trim(gsub("^0+", "", sales.block)),
         sales.lot.clean = str_trim(gsub("^0+", "", sales.lot)))
```

```{r}
sales <- sales %>%
  left_join(real.prop, 
            by = c("sales.block.clean" = "real.block.clean",
                   "sales.lot.clean" = "real.lot.clean")
            )

# sales <- sales %>% 
#   separate(location.coordinates, 
#            into = c("long", "lat"), 
#            sep = c(","), convert = T) %>%
#   mutate(long = as.numeric(gsub("c\\(", "", long)),
#          lat = as.numeric(gsub("\\)", "", lat)))

```




```{r}
sales <- sales %>% mutate_at(vars(saleDate), funs(ymd))
```



```{r}
library(htmltools)

hoods.labels <- paste0(
  hoods$label,
  "<br>2017 Housing Market Typology: ", hoods$`Predominant Code Ignoring Non-Residential`,
  "<br>Median Sales, 2015-2017: ", as.character(hoods$hood.median)
  
)



```



```{r}
mid.hoods <- hmt.hood %>% filter(`Predominant Code Ignoring Non-Residential` %in% c("D", "E", "F", "G", "H"))

```


```{r out.width="100%", width = 8}

mid.hoods.geo <- subset(hoods, 
                        tolower(label) %in% tolower(mid.hoods$Neighborhood))



mid.hoods.labels <- paste0(
  mid.hoods.geo$label,
  "<br>2017 Housing Market Typology: ", mid.hoods.geo$`Predominant Code Ignoring Non-Residential`,
  "<br>Median Sales, 2015-2017: ", as.character(mid.hoods.geo$hood.median)
  
)

```




# 3 Most Expensive in Each Neighborhood



```{r}
sales.mid.hoods.top3 <- sales %>%
  filter(year(saleDate) >= 2018,
         
         !grepl("NOT", rescode),
         neighborhood %in% mid.hoods$Neighborhood) %>%
  group_by(neighborhood) %>%
  arrange(desc(AdjustedSalesPrice)) %>%
  mutate(price.order = row_number()) %>%
  ungroup() %>%
  filter(price.order <= 3) %>%
  arrange(neighborhood, price.order)


sales.mid.hoods.top3.geo <- sales.mid.hoods.top3 %>%
  filter(!is.na(Longitude))
  
sales.mid.hoods.top3.geo <- SpatialPointsDataFrame(
  sales.mid.hoods.top3.geo %>% select(Longitude, Latitude), 
  sales.mid.hoods.top3.geo,
  proj4string = CRS("+proj=longlat +datum=WGS84 +no_defs +ellps=WGS84 +towgs84=0,0,0"))

sales.mid.hoods.top3.geo <- 
  spTransform(
    sales.mid.hoods.top3.geo, 
    CRSobj = CRS("+init=epsg:4326 +proj=longlat +datum=WGS84 +no_defs +ellps=WGS84 +towgs84=0,0,0")
    )
```

```{r}

sale.labels <- paste0(
  
   sales.mid.hoods.top3.geo$Address
  # sales.mid.hoods.top3.geo$`Street Name`, " ",
  # sales.mid.hoods.top3.geo$Suffix, 
  # "<br>Sale Price in 2018: ", 
  # as.character(sales.mid.hoods.top3.geo$`Sales Price`),
  # "<br>New Owner: ", sales.mid.hoods.top3.geo$new.owner
  #"<br>Permits Issued from 2017-2018: ", sales.mid.hoods.top3.geo$permit.count,
  #"<br>Total Permit Value from 2017-2018: ", sales.mid.hoods.top3.geo$permit.total.value
)


leaflet() %>%
  setView(lng = -76.6, lat = 39.3, zoom = 11) %>%
  addProviderTiles(providers$Stamen.TonerLite) %>% 
  addPolygons(data = hoods, 
              weight = 2, 
              
              color = "black",
              opacity = 0.5,
              fillOpacity = 0, 
              label = ~lapply(hoods.labels, HTML)) %>%
  addPolygons(data = mid.hoods.geo, 
              weight = 2, 
              #color = "black",
              opacity = 0.0,
              fillOpacity = .2,
              fillColor = iteam.colors[3],
              label = ~lapply(mid.hoods.labels, HTML)) %>%
  addCircleMarkers(data = sales.mid.hoods.top3.geo, 
                   color = iteam.colors[1],
                   opacity = 1,
                   radius = 2,
                   label = ~lapply(sale.labels, HTML))
```





```{r}
library(plotly)
plot_hood_sales_timeline <- function(hood){
  
  df <- sales %>% 
    filter(neighborhood == hood, 
           !grepl("NOT", rescode))
  
  g <- df %>%
    ggplot(aes(saleDate, AdjustedSalesPrice)) +
    geom_point(
      color = ifelse(df$propertyaddress %in% sales.mid.hoods.top3$propertyaddress, 
                     "red", "black"),
      aes(text = df$propertyaddress)) +
    theme_iteam_google_docs() +
    ylim(c(0, 500000)) +
    geom_smooth() +
    ggtitle(hood)
  
  ggplotly(g)
}

```

```{r}
plot_hood_sales_timeline("Dorchester")
```






















